7MMW

Crystal Structure of the Class Ie Ribonucleotide Reductase Beta Subunit from Aerococcus urinae (in alternate conformation)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Ribonucleoside-diphosphate reductase	polymer	342	39321.0	2	UniProt (F2I8X9) Pfam (PF00268) In PDB	Aerococcus urinae (strain ACS-120-V-Col10a)
2	A, B	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3		water	water		18.0	431	Chemie (HOH)

Sequence modifications

A, B: 1 - 337 (UniProt: F2I8X9)

PDB	External Database	Details
Ser -4	-	expression tag
Asn -3	-	expression tag
Ile -2	-	expression tag
Leu -1	-	expression tag
Glu 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	78641.9
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	78722.1

*Water molecules are not included.